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Wi-Fi handbook : building 802.11b wireless networks

Wi-Fi handbook : building 802.11b wireless networks (1회 대출)

자료유형
단행본
개인저자
Ohrtman, Frank. Roeder, Konrad.
서명 / 저자사항
Wi-Fi handbook : building 802.11b wireless networks / Frank Ohrtman, Konrad Roeder.
발행사항
New York :   McGraw-Hill,   c2003.  
형태사항
xv, 363 p. : ill. ; 24 cm.
ISBN
0071412514 (pbk. : alk. paper)
서지주기
Includes index.
일반주제명
IEEE 802.11 (Standard) Internet service providers -- Standards. Telecommunication -- Technological innovations -- United States.
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008 030227s2003 nyua 001 0 eng
020 ▼a 0071412514 (pbk. : alk. paper)
040 ▼a DLC ▼c DLC ▼d DLC ▼d 244002
042 ▼a pcc
043 ▼a n-us---
049 0 ▼l 151156459
050 0 0 ▼a TK5105.5668 ▼b .O36 2003
082 0 0 ▼a 004.678 ▼2 21
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100 1 ▼a Ohrtman, Frank.
245 1 0 ▼a Wi-Fi handbook : ▼b building 802.11b wireless networks / ▼c Frank Ohrtman, Konrad Roeder.
260 ▼a New York : ▼b McGraw-Hill, ▼c c2003.
300 ▼a xv, 363 p. : ▼b ill. ; ▼c 24 cm.
504 ▼a Includes index.
650 0 ▼a IEEE 802.11 (Standard)
650 0 ▼a Internet service providers ▼x Standards.
650 0 ▼a Telecommunication ▼x Technological innovations ▼z United States.
700 1 ▼a Roeder, Konrad.

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No. 소장처 청구기호 등록번호 도서상태 반납예정일 예약 서비스
No. 1 소장처 세종학술정보원/과학기술실/ 청구기호 004.678 O38w 등록번호 151156459 도서상태 대출가능 반납예정일 예약 서비스 C

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CONTENTS
Preface = xvii
Acknowledgments = xix
Chapter 1 Introduction = 1
 Telecommunications Networks - The Need for an Alternative Form of Access = 3
  Access = 4
  Switching = 4
  Transport = 5
 Replacing the PSTN One Component at a Time = 6
 802.11 Works - An Overview of the Installation and Operation of Wireless Networks = 7
 Objections to Wireless Networks = 7
  Quality of Service(QoS) = 8
  Security = 9
  Range = 9
 The Economic Advantage of 802.11 = 9
 The Regulatory Aspects of Wireless Networks = 10
 Improved Quality of Life with Wireless Networks = 10
 Disruptive Technology = 11
 Conclusion = 12
Chapter 2 How Does 802.11 Work? = 13
 How Does Wireless Fidelity(Wi-Fi) Work? = 14
  How Is Data Transmitted via Wireless Technology? = 16
  The Significance of Spread Spectrum Radio = 18
 802.11 Variants = 19
  FHSS(802.11a) = 20
  DSSS = 21
  Orthogonal Frequency Division Multiplexing(OFDM) and IEEE 802.11a = 23
  Orthogonal Frequency Division Multiplexing = 24
  Carrier Multiplexing = 25
  Power Management and Time Synchronization = 25
 Medium Access Control(MAC) Concepts and Architecture = 26
  MAC Layer Services = 26
  MAC Layer Architecture = 27
 802.11 Architecture = 34
  802.11 Components = 37
  Mobility = 38
 Conclusion = 39
Chapter 3 Range Is Not an Issue = 41
 Range Is a Matter of Engineering = 42
 RF Components = 42
  Antennas = 43
  Sensitive Receivers = 45
  Amplifiers = 45
 802.11b at 20 to 72 Miles = 46
 Architecture : The Large Network Solution = 47
 Metro Area Networks(MANs) = 48
  Local Multipoint Distribution Service(LMDS) = 50
  802.16 : Protocol for WMANs = 51
  Consecutive Point Network(CPN) = 53
 Extending Range Via an Ad Hoc Peer-to-Peer Network = 54
  Network Features and Products = 56
  The Advantages of Ad Hoc Peer-to-Peer Networks = 57
  The Components of Ad Hoc Peer-to-Peer Networks = 58
 Conclusion = 58
Chapter 4 Security and 802.11 = 61
 Basic 802.11 Security and Its Known Problems = 63
  Service Set ID(SSID) = 63
  Wired Equivalent Protocol(WEP) = 63
  MAC Address Filtering = 66
 Types of Security Threats = 66
  Security Risks = 66
  WLAN Security Model = 67
  Normal Flow = 68
  Interception = 68
  Fabrication = 72
  Modification = 75
  Replay = 77
  Reaction = 78
  Interruption = 79
  Repudiation = 80
 Network Architecture = 81
  Typical Network Architecture with WLAN Added = 81
  Typical Network Architecture with a WLAN and Wireless Firewall Added = 82
  Mobility and Security = 83
 Security Policy - A Range of Options = 83
  No Security = 83
  Public Access = 85
  Basic Access Control = 85
  802.11 Security Measures Beyond WEP = 85
  802.11 Security Measures Beyond WPA = 87
  802.1x and EAP - Advanced Security = 87
  VPNs = 94
  Kerberos = 99
 Conclusion = 103
Chapter 5 Interference and Quality of Service(QoS) on 802.11 Networks = 105
 Interference = 107
  External Sources of Interference = 108
  Internal Sources of Interference = 113
  If You Want Interference, Call the Black Ravens = 117
 Line of Sight, Near Line of Sight, and Non Line of Sight = 118
  Fresnel Zone and Line-of-Sight Considerations = 119
 The Importance of QoS on 802.11 Networks = 121
  QoS in Wired IP Networks = 122
  Factors Affecting QoS in Wired IP Networks = 122
  Improving QoS in IP Routers and the Gateway = 123
  Improving QoS in the Network = 127
 The Need for QoS in Wireless Networks = 139
  Challenges to Wireless QoS = 139
  Latency in Wireless Networks = 140
 QoS in 802.11 = 142
  Legacy 802.11 MAC = 142
  Distributed Coordination Function(DCF) = 143
  CSMA/CA = 143
  Collision Avoidance Mechanisms = 144
  Data Fragmentation = 148
  Point Coordination Function(PCF) = 149
 IEEE 802.11e - Improved QoS in Wireless Networks = 150
  802.11e MAC Enhancements = 150
  EDCF and HCF : QoS in 802.11 Networks = 154
 Conclusion = 154
Chapter 6 Voice over 802.11 = 157
 PSTN Architecture = 158
 Voice over Wirelss : The Challenge = 159
 VoIP = 160
  Origins of VoIP = 161
  How Does VoIP Work? = 162
  VoIP Signaling Protocols = 163
 Switching = 167
  Softswitch(a.k.a. Gatekeeper or Media Gateway ontoller[MGC]) = 168
  Other Softswitch Components = 170
  VoIP and Softswtich Pave the Way for Vo802.11 = 172
 Objections to VoIP over 802.11(Vo802.11) = 172
  Objection 1 : Voice Quality of Vo802.11 = 173
 Solution : Voice Codecs Designed for VoIP, Especially VoIP over 802.11 = 179
  Speech Coding = 179
  Modifying Voice Codecs to Improve Voice Quality = 179
 The QoS Solution : Fix Circuit-Switched Voice Codecs in a Packet-Switched, Wireless World with Enhanced Speech-Processing Software = 185
  Enhanced Speech-Processing Software = 185
  Examples of Enhanced Speech-Processing Products = 186
  Results of Enhanced Speech Software : An Independent Evaluation by Lockheed Martin = 187
  Objection 2 : Security for Vo802.11 = 189
  Objection 3 : CALEA and E911 = 190
 Architecture of Vo802.11 : Putting It All Together = 192
  Vo802.11 Phones = 193
  PDA as an Office Phone via an IP-PBX = 194
 Case Study : AmberWaves WISP Vo802.11 = 196
 Conclusion = 196
Chapter 7 Considerations in Building 802.11 Networks = 199
 Design = 200
  Network Topology = 200
  Link Type = 203
  Environment = 204
  Throughput, Range, and Bit Error Rate = 204
  Multipath Fading Tolerance = 204
  Link Budget = 204
  Frequency Band = 205
  Protocols = 209
  Making the Choice = 212
  Standard or Custom? = 213
 Planning = 213
  How to Calculate a Link Budget = 216
  Site Plan Prediction Tools = 224
  Site Survey = 224
  How to Make a Frequency Plan = 226
  2.4 GHz Frequency Reuse = 226
  5 GHz Frequency Reuse = 226
  Frequency Allocation = 228
  Equipment Selection = 231
  The WAN Connection = 235
  How to Extend Range = 236
  Locating Your AP to Where No Power Exists = 251
  How to Overcome Line-of-Sight Limitations = 253
  How to Overcome Interference Limitations = 254
 Implementation = 255
  Putting Together a Home Wireless Network = 255
  Putting Together a Larger Enterprise Wireless Network = 256
  Putting Together a School Wireless Network = 256
  How to Set up a Hotspot out of the Box = 257
  How to Set up a Hotel or MDU Hotspot = 259
  How to Set up a Layered Office Hotsport = 261
  As-Built Documentation = 262
 Operation = 263
  How to Deal with Interference Issues = 263
 Maintenance = 265
  Scanning Security Logs = 265
  Locating Rogue APs = 265
  Coverage Issues = 266
  Upgrades = 266
Chapter 8 Economic Aspects of Wi-Fi = 267
 The Economics of Wireless in the Enterprise = 268
  You Can Take It with You when You Go = 268
  Moves, Adds, Changes = 270
  The Productivity Benefits of WLANs = 270
  Another Economic Aspect of Wireless Networks : Vo802.11 in the Enterprise = 273
  Vo802.11 Telephone System Cost Justification in the Workplace = 275
  Enterprise Conclusion = 277
 The Economics of Wi-Fi in Public Networks = 278
  Hot Spots = 279
  Turnkey Operators = 282
  Reciprocal Compensation - Build It and They Will Pay You = 285
  Making the Private Network Public - Layering = 286
  WISP ROI for Wireless Access via 802.11 = 288
  Viral Growth of 802.11 Networks : Community Networks and the Mom 'n Pop WISP = 290
 The Economic Benefits of Ubiquitous Broadband with Public Network = 291
  Producer Benefits = 293
  Consumer Benefits = 296
  Broadband Access and Telephone Services = 300
 Conclusion = 305
Chapter 9 Regulatory Aspects of 802.11 = 307
 The Current Regulatory Environment = 308
  Power Limits = 309
  Interference = 311
 Laws on Antennas and Towers = 316
  FCC Preemption of Local Law = 316
  Height Limitations = 317
 The FCC New Spectrum Policy = 317
  Interference - The Problem = 318
  Interference - The Solution = 319
  Spectrum Scarcity - The Problem = 321
  Spectrum Scarcity - The Solution = 322
  Government Command Control - The Problem = 323
  Government Command Control of the Spectrum - The Solution = 324
  Public Interest - The Problem = 324
  Public Interest - The Solution = 325
 Congressional Moves Toward Spectrum Policy Reform = 325
 Conclusion = 327
Chapter 10 Conclusion = 329
 Objections to 802.11 = 330
  Range as Limitation = 330
  Security Fixes for 802.11 = 331
  QoS on 802.11 Networks = 322
  Voice over 802.11(Vo802.11) = 332
  Economics of 802.11 = 333
  Regulatory Environment for 802.11 = 334
 Potential Results of Ubiquitous Wireless Broadband Internet Service = 335
  National Defense Residential Broadband Network(NDRBN) = 335
  The Problem = 335
  The Solution = 336
  Benefits = 336
  The Opportunity = 338
 Better Living Through Telecommunications : The Social Rewards of Wireless Broadband = 340
  If It Hurts to Commute, Then Don't Commute = 340
  Affordable Housing Is Where You Find It = 344
  Family Values = 345
 The Role of 802.11b in Better Living Through Telecommunications = 345
 Conclusion = 347
Index = 349


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